FR442185A - Appareil améliorant l'audition - Google Patents

Appareil améliorant l'audition

Info

Publication number
FR442185A
FR442185A FR442185A FR442185DA FR442185A FR 442185 A FR442185 A FR 442185A FR 442185 A FR442185 A FR 442185A FR 442185D A FR442185D A FR 442185DA FR 442185 A FR442185 A FR 442185A
Authority
FR
France
Prior art keywords
hearing
improving device
improving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR442185A
Other languages
English (en)
Inventor
Anton Von Suchorzynski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR442185A publication Critical patent/FR442185A/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/30—Non-electric hearing aids, e.g. ear trumpets, sound amplifiers or ear-shells

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Psychology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
FR442185A 1911-04-20 1912-04-04 Appareil améliorant l'audition Expired FR442185A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE244174T 1911-04-20

Publications (1)

Publication Number Publication Date
FR442185A true FR442185A (fr) 1912-08-26

Family

ID=32522425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR442185A Expired FR442185A (fr) 1911-04-20 1912-04-04 Appareil améliorant l'audition

Country Status (4)

Country Link
DE (1) DE244174C (fr)
FR (1) FR442185A (fr)
GB (1) GB191209182A (fr)
NO (1) NO22641A (fr)

Also Published As

Publication number Publication date
DE244174C (fr)
NO22641A (fr)
GB191209182A (en) 1913-04-18

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